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Total number of posts: 23682
New bionic eye could restore sight and even offer night vision
As we’ve talked about on The Optimist Daily, prosthesis technology has come a long way in recent years, but the human eye has always been difficult to replicate. Now, scientists have designed a prototype for the first 3D artificial bionic eye, which could let users see better than with the real Read More...
Online shopping for food assistance programs can improve health equity
Online grocery orders have spiked during the pandemic, but for those who rely on food stamps and assistance programs, online shopping hasn’t really been an option. Fortunately, late last month, California’s food stamps program, CalFresh, began allowing beneficiaries to buy groceries online at Read More...
Scientists harness renewable energy using water vapour in the air
Renewables are about to welcome a new member into the family of clean energy sources, thanks to researchers in Israel who have managed to generate a voltage using water vapor in the atmosphere. The concept of humidity as a source of energy is based on a recent study in the journal Nature that Read More...
Scientists map an entire ancient Roman city using only radar technology
We have previously written about how high-tech laser scanners have enabled scientists to discover the oldest and largest known structure built by the Mayans. Equipped with similar state-of-the-art technology, a group of archaeologists has managed to map an entire ancient Roman city while it’s Read More...
This Mexican highway is now flanked by lush vertical gardens
If you drive along Mexico City’s iconic Beltway expressway, you will notice a new green makeover of the roadway pillars. The renamed "Vía Verde" includes 1,000 concrete columns covered in lush vegetation to create 15 acres of vertical gardens. The pillars serve to both beautify the area Read More...
Understanding the 4 stages of sleep can help you feel more rested
We’ve all heard that there are different stages of sleep and which one you wake up in could determine whether you rise refreshed or on the wrong side of the bed. So what exactly are the stages of sleep and how can you set your morning alarm to take advantage of them for more energy? In the Read More...
Startup in Uganda upcycles plastic bottles into building materials and PPE
The city of Gulu, Uganda, is six hours from the nearest recycling plant – so most plastic bottles collected in the city end up trashed or burned. However, in a small pilot facility that’s now operating behind a restaurant in the city’s downtown, a startup called Takataka Plastics is testing a Read More...
June 13, 2020
On this special weekend edition of The Optimist Daily Update, we share the extended version of Kristy's interview with spirit-centered activist, organizer, and advocate Aqeela Sherrills. His career in justice advocacy has stretched from his hometown of Watts, California to New Jersey where he works Read More...
June 13, 2020
On this special weekend edition of The Optimist Daily Update, we share the extended version of Kristy's interview with spirit-centered activist, organizer, and advocate Aqeela Sherrills. His career in justice advocacy has stretched from his hometown of Watts, California to New Jersey where he works Read More...
June 13, 2020
On this special weekend edition of The Optimist Daily Update, we share the extended version of Kristy's interview with spirit-centered activist, organizer, and advocate Aqeela Sherrills. His career in justice advocacy has stretched from his hometown of Watts, California to New Jersey where he works Read More...